// Copyright 2010 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Object.extend = function (dest, source) {
  for (let property in source) dest[property] = source[property];
  return dest;
};

Object.extend(Function.prototype, {
  wrap: function (wrapper) {
    var method = this;
    var bmethod = (function (_method) {
      return function () {
        this.$$$parentMethodStore$$$ = this.$proceed;
        this.$proceed = function () {
          return _method.apply(this, arguments);
        };
      };
    })(method);
    var amethod = function () {
      this.$proceed = this.$$$parentMethodStore$$$;
      if (this.$proceed == undefined) delete this.$proceed;
      delete this.$$$parentMethodStore$$$;
    };
    var value = function () {
      bmethod.call(this);
      retval = wrapper.apply(this, arguments);
      amethod.call(this);
      return retval;
    };
    return value;
  },
});

String.prototype.cap = function () {
  return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
};

String.prototype.cap = String.prototype.cap.wrap(function (each) {
  if (each && this.indexOf(' ') != -1) {
    return this.split(' ')
      .map(function (value) {
        return value.cap();
      })
      .join(' ');
  } else {
    return this.$proceed();
  }
});

Object.extend(Array.prototype, {
  map: function (fun) {
    if (typeof fun != 'function') throw new TypeError();
    var len = this.length;
    var res = new Array(len);
    var thisp = arguments[1];
    for (var i = 0; i < len; i++) {
      if (i in this) res[i] = fun.call(thisp, this[i], i, this);
    }
    return res;
  },
});
assertEquals('Test1 test1', 'test1 test1'.cap());
assertEquals('Test2 Test2', 'test2 test2'.cap(true));
